I haven't read Saito's books, or looked too deeply into degrowth as a movement. I just read this article and thought it made some good arguments against what it claims are Saito's understandings of Marx. I'm not sure I agree with everything, but I thought it was interesting enough to share.
if we build quality mass public transport, that's degrowth
It really never ends.
Providing all homes with a universal refrigerator and interchangeable parts, that a neighborhood mechanic could fix. That would destroy the entire industry of smart refrigerators. That’s degrowth